Seriously. I broke him. On the mission 'Scourge Of The Armory', I went to the first bit, where you walk in on this guy and his lieutenant. Thing is, I kept my distance so he wouldn't escape. Being me, I thought: "What happens if i kill him?" And so I did. The mission is basically unplayable because it completely destroys the coded event sequence, but it's still hilarious.
This has nothing to do with anything but what emote is that